| /* |
| * Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef RTC_BASE_EXPERIMENTS_RATE_CONTROL_SETTINGS_H_ |
| #define RTC_BASE_EXPERIMENTS_RATE_CONTROL_SETTINGS_H_ |
| |
| #include "absl/types/optional.h" |
| #include "api/transport/webrtc_key_value_config.h" |
| #include "api/video_codecs/video_codec.h" |
| #include "api/video_codecs/video_encoder_config.h" |
| #include "rtc_base/experiments/field_trial_parser.h" |
| #include "rtc_base/experiments/field_trial_units.h" |
| |
| namespace webrtc { |
| |
| class RateControlSettings final { |
| public: |
| ~RateControlSettings(); |
| RateControlSettings(RateControlSettings&&); |
| |
| static RateControlSettings ParseFromFieldTrials(); |
| static RateControlSettings ParseFromKeyValueConfig( |
| const WebRtcKeyValueConfig* const key_value_config); |
| |
| // When CongestionWindowPushback is enabled, the pacer is oblivious to |
| // the congestion window. The relation between outstanding data and |
| // the congestion window affects encoder allocations directly. |
| bool UseCongestionWindow() const; |
| int64_t GetCongestionWindowAdditionalTimeMs() const; |
| bool UseCongestionWindowPushback() const; |
| uint32_t CongestionWindowMinPushbackTargetBitrateBps() const; |
| |
| absl::optional<double> GetPacingFactor() const; |
| bool UseAlrProbing() const; |
| |
| bool LibvpxVp8TrustedRateController() const; |
| bool Vp8BoostBaseLayerQuality() const; |
| bool Vp8DynamicRateSettings() const; |
| bool LibvpxVp9TrustedRateController() const; |
| bool Vp9DynamicRateSettings() const; |
| |
| // TODO(bugs.webrtc.org/10272): Remove one of these when we have merged |
| // VideoCodecMode and VideoEncoderConfig::ContentType. |
| double GetSimulcastHysteresisFactor(VideoCodecMode mode) const; |
| double GetSimulcastHysteresisFactor( |
| VideoEncoderConfig::ContentType content_type) const; |
| |
| bool TriggerProbeOnMaxAllocatedBitrateChange() const; |
| bool UseEncoderBitrateAdjuster() const; |
| bool BitrateAdjusterCanUseNetworkHeadroom() const; |
| |
| private: |
| explicit RateControlSettings( |
| const WebRtcKeyValueConfig* const key_value_config); |
| |
| double GetSimulcastVideoHysteresisFactor() const; |
| double GetSimulcastScreenshareHysteresisFactor() const; |
| |
| FieldTrialOptional<int> congestion_window_; |
| FieldTrialOptional<int> congestion_window_pushback_; |
| FieldTrialOptional<double> pacing_factor_; |
| FieldTrialParameter<bool> alr_probing_; |
| FieldTrialParameter<bool> trust_vp8_; |
| FieldTrialParameter<bool> trust_vp9_; |
| FieldTrialParameter<double> video_hysteresis_; |
| FieldTrialParameter<double> screenshare_hysteresis_; |
| FieldTrialParameter<bool> probe_max_allocation_; |
| FieldTrialParameter<bool> bitrate_adjuster_; |
| FieldTrialParameter<bool> adjuster_use_headroom_; |
| FieldTrialParameter<bool> vp8_s0_boost_; |
| FieldTrialParameter<bool> vp8_dynamic_rate_; |
| FieldTrialParameter<bool> vp9_dynamic_rate_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // RTC_BASE_EXPERIMENTS_RATE_CONTROL_SETTINGS_H_ |